Federal Reserve Bank of New York. "5073. Offering of Two Series of Treasury Bills, $1,100,000,000 of 91-Day Bills, Additional Amount, $600,000,000 of 182-Day Bills,"
Federal Reserve Bank of New York Circulars
(August 23, 1961).
https://fraser.stlouisfed.org/title/466/item/12597, accessed on December 19, 2018.